1. Saliva suction cannula with holes for dental use; 2. Saliva suction cannula nozzle with holes for dental use

Abstract

Design 1 and 2 concern a flexible saliva suction cannula and a nozzle for a saliva suction cannula for dental use, respectively, featuring holes that create a practical application of the Venturi effect and a regular and continuous suction flow of the salivary fluid through the section of the cannula and allow to completely avoid any possible damage to the patient's soft tissue; the products have bodies with holes made on a cylindrical or truncated conical section that can be made of any known plastic or metallic material and in any possible color; the cannula shown in 2.1 is disclaimed.

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